BCA part description

National® Oil Seals & Bearings offer a full line of premium oil seals and bearings.
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
BALL BEARING
Part Description Adapter Bearing
Inner Race Bore (Inch) 1.250
Inner Race Bore (MM) 31.750
Inner Race Width (Inch) 1.438
Inner Race Width (MM) 36.513
Inner Race Radius (Inch) 0.055
Inner Race Radius (MM) 1.397
Outer Race Outside Diameter (Inch) 3.150
Outer Race Outside Diameter (MM) 80.000
Outer Race Width (Inch) 0.866
Outer Race Width (MM) 21.999
Bore (Inch) 1.250
Bore (MM) 31.750
Outside Diameter (Inch) 3.150
Outside Diameter (MM) 80.000
Width (Inch) 1.438
Width (MM) 36.513
Series HPADAP
Design Hex Bore
Type I-4

The Bearing Corporation of America (BCA®) is backed by over 100 years of experience supplying the American market with top-of-the-line wheel-end solutions. Headquartered in a 670,000-square-foot state-of-the-art facility in Illinois, BCA is renowned as the top supplier of automotive and medium-duty hub assemblies, seals, and bearings for various domestic and foreign applications. BCA products are designed for technicians that need replacement parts that fit right the first time they are installed. These OE solutions, which provide an exact fit, superior performance, unmatched durability, and longer service life, are products of BCA’s commitment to modern technological advancements and the brand’s design philosophy that focuses on performance.

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